VPN connection routine fixed

client/core/privileged_process.cpp

@@ -0,0 +1,27 @@
+#include "privileged_process.h"
+
+PrivilegedProcess::PrivilegedProcess() :
+    IpcProcessInterfaceReplica()
+{
+}
+
+PrivilegedProcess::~PrivilegedProcess()
+{
+    qDebug() << "PrivilegedProcess::~PrivilegedProcess()";
+}
+
+void PrivilegedProcess::waitForFinished(int msecs)
+{
+    QSharedPointer<QEventLoop> loop(new QEventLoop);
+    connect(this, &PrivilegedProcess::finished, this, [this, loop](int exitCode, QProcess::ExitStatus exitStatus) mutable{
+        loop->quit();
+        loop.clear();
+    });
+
+    QTimer::singleShot(msecs, this, [this, loop]() mutable {
+        loop->quit();
+        loop.clear();
+    });
+
+    loop->exec();
+}